<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="10">
        <el-col :span="11">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" @keyup.native.enter="getGoodsList"
            @clear="getGoodsList" clearable>
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 表格区域 -->
      <el-table :data="goodsList" style="width: 100%" stripe border>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称">
        </el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="110">
        </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="80">
        </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="120">
          <template slot-scope="scope">
            <!-- 调用main.js里面定义的过滤器 -->
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini"
              @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页模块 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
        :total="total" background>
      </el-pagination>
    </el-card>

  </div>

</template>

<script>
export default {
  data() {
    return {
      goodsList: [],
      total: 0,
      // 商品列表查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      }
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 获取所有商品列表 分页
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })

      if (res.meta.status !== 200) {
        return this.$message.error('获取商品数据失败')
      }

      this.goodsList = res.data.goods
      this.total = res.data.total

      // console.log(this.getGoodsList);
    },

    // 分页模块事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },

    // 删除商品
    removeById(goods_id) {
      this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(async () => {
          const { data: res } = await this.$http.delete(`goods/${goods_id}`)

          if (res.meta.status !== 200) {
            return this.$message.error('删除商品失败')
          }

          this.$message.success('删除商品成功!')
          this.getGoodsList()
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },

// 去商品添加页面
    goAddPage(){
this.$router.push('goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>